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best way to dynamically create jquery validation for a form created dynamically in php

Posted on 2014-03-04
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Hello

I am writing an ajax website with forms created dynamically in php and the validation done dynamically in jquery from the php.

This can be quote tedious with a lot of concatentation and potential for errors. I was wondering if you experienced web developers had a good way of making your jquery validation dynamically.

I saw an idea on this post
http://stackoverflow.com/questions/21439639/building-dynamic-rules-for-jquery-validate-from-php-array

where the jquery is created in javascript from json but to be honest I would rather create it on the server as i dont know php/query/json very well as it is. What i'm doing isnt my usual job.

But given as this must be a common task I am assuming there is a framework/approach for doing this.

I did look at formbuilders and they dont seem too popular

Thanks
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Question by:andieje
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Ray Paseur earned 2000 total points
ID: 39903355
Unless you choose a framework, there is no magic bullet; you just have to do the work.  And if you choose a framework, then you have to learn the framework in addition to learning PHP and jQuery, so that is probably a longer path than doing it by hand.

Make a Google search for the exact phrase "jquery validation example" to find examples.  Although it does no client-side validation, this article shows the basics of jQuery and AJAX.
http://www.experts-exchange.com/Programming/Languages/Scripting/JavaScript/Jquery/A_10712-The-Hello-World-Exercise-with-jQuery-and-PHP.html

You may want to learn about PHP HEREDOC syntax.  I find it very easy and powerful for making templates and HTML fragments.  An example is in the code snippet.  You can think of HEREDOC as notation that is like a double-quoted string.  It has variable substitution and if you use it with object-oriented notation, you don't have to escape the quote marks, so it reduces syntax issues and parse errors.

<?php // html5_template.php
error_reporting(E_ALL);

// CREATE VARIABLES FOR OUR HTML
$dat = date('r');
$xyz = "Hello World.  It is $dat";

// CREATE OUR WEB PAGE IN HTML5 FORMAT
$htm = <<<HTML5
<!DOCTYPE html>
<html dir="ltr" lang="en-US">

<head>

<meta charset="utf-8" />
<meta name="robots" content="noindex, nofollow" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">

<script type="text/javascript" src="http://code.jquery.com/jquery-latest.min.js"></script>

<title>HTML5 Page in UTF-8 Encoding</title>

</head>

<body>

<p>$xyz</p>

</body>

</html>
HTML5;

// RENDER THE WEB PAGE
echo $htm;

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